| Monocular occlusions determine the perceived shape and depth of occluding surfaces. | |
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MedLine Citation:
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PMID: 20884560 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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Recent experiments have established that monocular areas arising due to occlusion of one object by another contribute to stereoscopic depth perception. It has been suggested that the primary role of monocular occlusions is to define depth discontinuities and object boundaries in depth. Here we use a carefully designed stimulus to demonstrate empirically that monocular occlusions play an important role in localizing depth edges and defining the shape of the occluding surfaces in depth. We show that the depth perceived via occlusion in our stimuli is not due to the presence of binocular disparity at the boundary and discuss the quantitative nature of depth perception in our stimuli. Our data suggest that the visual system can use monocular information to estimate not only the sign of the depth of the occluding surface but also its magnitude. We also provide preliminary evidence that perceived depth of illusory occluders derived from monocular information can be biased by binocular features. |
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Authors:
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Inna Tsirlin; Laurie M Wilcox; Robert S Allison |
Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2010-06-01 |
Journal Detail:
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Title: Journal of vision Volume: 10 ISSN: 1534-7362 ISO Abbreviation: J Vis Publication Date: 2010 |
Date Detail:
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Created Date: 2010-10-04 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101147197 Medline TA: J Vis Country: United States |
Other Details:
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Languages: eng Pagination: 11 Citation Subset: IM |
Affiliation:
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Center for Vision Research, York University, Toronto, ON, Canada. itsirlin@yorku.ca |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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